$ git clone -n https://src.fedoraproject.org/rpms/vdr-epgfixer.git /var/lib/mock/f40-build-804539-144553/root/chroot_tmpdir/scmroot/vdr-epgfixer
Cloning into '/var/lib/mock/f40-build-804539-144553/root/chroot_tmpdir/scmroot/vdr-epgfixer'...
$ git fetch origin f7ec1114f6000cd0393728dfe10d1d9a4344e147:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-epgfixer
 * [new ref]         f7ec1114f6000cd0393728dfe10d1d9a4344e147 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7ec111 Rebuilt for new VDR API version